What is a fathom (US survey)?

A fathom (US survey) is a non-SI unit of length equal to 6 US survey feet, commonly used for measuring water depths and line lengths in nautical and hydrographic contexts.

How is a furlong (US survey) defined?

A furlong (US survey) is a historical surveying unit equal to 660 US survey feet, or 1/8 of a US survey mile, commonly applied in older land surveying and legal descriptions.

Why convert fathoms to furlongs?

Converting fathoms into furlongs helps translate nautical measurements into traditional land surveying units, facilitating the comparison of maritime charts with historical land records.

Are these units compatible with international feet units?

No, US survey feet differ slightly from international feet, so conversions involving these units require careful attention to this difference.

How to Convert from Fathom (US survey) [fath] to Furlong (US survey) [fur]

Learn how to convert length measurements from fathoms (US survey) to furlongs (US survey) using this straightforward unit converter. Understand the definitions, use cases, and conversion steps for these historical and nautical units.

Fathom (US survey) [fath]

Furlong (US survey) [fur]

Please check your input. It must be a valid numeric value.

Fathom (US survey) [fath] to Furlong (US survey) [fur] Conversion Table

Fathom (US survey) [fath]	Furlong (US survey) [fur]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Fathom (US survey) [fath] to Furlong (US survey) [fur] Conversion Table
Fathom (US survey) [fath]	Furlong (US survey) [fur]

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What Is This Tool?

This converter enables users to transform length values from the US survey fathom unit, commonly used for nautical depth measurements, into the US survey furlong, a historical surveying unit. It is ideal for reconciling marine measurements with legacy land surveying data and legal descriptions.

How to Use This Tool?

Enter the length value in fathoms (US survey)
Select fathom (US survey) as the input unit
Choose furlong (US survey) as the output unit
Click the convert button to get the corresponding length in furlongs

Key Features

Converts length from fathoms (US survey) to furlongs (US survey)
Uses exact conversion rate based on US survey feet definitions
Supports maritime, hydrographic, and historical surveying contexts
Browser-based and easy to use with quick results

Examples

10 fathoms equals 0.090909091 furlongs
50 fathoms equals 0.454545455 furlongs

Common Use Cases

Recording water depths and nautical soundings in hydrographic surveys
Converting survey data from nautical units to historic land surveying units
Interpreting boundaries and distances in older US land records
Reconciling maritime depth measurements with cadastral mapping
Reporting traditional horse racing distances in customary units

Tips & Best Practices

Ensure units selected match the context of your data (nautical vs. surveying)
Be mindful of differences between US survey feet and international feet when converting
Use this tool to assist with historical data comparisons rather than modern precise measurements
Double-check measurements when converting between non-SI units due to small definition differences

Limitations

Units are non-SI and defined using US survey feet, which slightly differ from international feet
The furlong is mostly a historical unit and is infrequently used in modern measurement
Accuracy may be affected when mixing survey and international units
Care should be taken when applying this conversion to modern precision applications

Frequently Asked Questions

What is a fathom (US survey)?: A fathom (US survey) is a non-SI unit of length equal to 6 US survey feet, commonly used for measuring water depths and line lengths in nautical and hydrographic contexts.
How is a furlong (US survey) defined?: A furlong (US survey) is a historical surveying unit equal to 660 US survey feet, or 1/8 of a US survey mile, commonly applied in older land surveying and legal descriptions.
Why convert fathoms to furlongs?: Converting fathoms into furlongs helps translate nautical measurements into traditional land surveying units, facilitating the comparison of maritime charts with historical land records.
Are these units compatible with international feet units?: No, US survey feet differ slightly from international feet, so conversions involving these units require careful attention to this difference.

Key Terminology

Fathom (US survey): A non-SI length unit equal to 6 US survey feet, used primarily in nautical and hydrographic measurements.
Furlong (US survey): A historical surveying unit equal to 660 US survey feet, used in land surveying and legal descriptions.
US survey foot: A unit of length slightly different from the international foot, used in US surveying and defining units like fathoms and furlongs.

Quick Knowledge Check

What is the US survey fathom primarily used for?

Measuring land distances in cadastral surveys

Recording water depths and nautical line lengths

Defining horse race distances

How many US survey feet are in one furlong (US survey)?

40 feet

660 feet

7200 feet

What does converting from fathoms to furlongs help with?

Converting international metric units

Translating nautical depths to historic land survey units

Measuring modern race distances

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